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ARP 134-6403 SBC Rod Bolt Kit Wave-Loc

Original price was: $81.99.Current price is: $41.00.

SKU: CNMT35378336510 Category:

Description

This ARP 134-6403 SBC High Performance Rod Bolt Kit is for a 305-350 with a large journal crankshaft. It comes with 3/8″ 8740 Chromoly Steel Wav-Loc bolts that are 200,000 psi. This is up to 5X stronger than stock! Sold as a set of 16.

ARP 134-6403 SBC Rod Bolt Kit Fits:

  • 305-350 SBC with a large journal crankshaft

TECH NOTE: WAVE-LOC ROD BOLTS:

ARP’s Wave-Loc shank design features symmetrical waves with an effective interference range of 0.001 to 0.005 for proper cap alignment. The waves replace the knurl on standard replacement bolts eliminating the stress risers that are created when cutting into the shank – which create potential failure points. The tensile and fatigue strengths are the same as our regular high performance rod bolts.

The most important fasteners in any engine are the connecting rod bolts! They hold the key to the entire rotating assembly. A broken bolt will lead to catastrophic engine failure. As you can imagine, the most critical joint is where the connecting rod halves mate. The rod bolts must support the primary tension loads caused by each rotation (or cycle) of the crankshaft.

The ARP 134-6403 SBC Rod Bolt Kit is perfect for that application!

When the crank rotates, the big end of the connecting rod essentially becomes oval-shaped and the rod bolts bend.As the crankshaft continues to rotate, the rod becomes round again. With alternating tension loads and cyclic bending of the bolts, it is very important to install fasteners that are able to exert a clamping force greater than the load imposed upon the joint (tension).

In addition to using a rod bolt with sufficient strength to withstand the loads placed upon it, it is absolutely imperative that the bolts be properly tightened. The preferred method of monitoring the correct amount of tension is through use of a stretch gauge.

This is far more accurate than using a torque wrench. Moreover, through subsequently checking the rod bolts length at tear downs, it is possible to determine if it has been stressed beyond safe limits and must be replaced.

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